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J. G. DAY. MACHINE PORMAKING RIVETS AND BLANK scmzws.

Patented July 3, 1849.

UNITED STATES PATENT OFFICE.

JACOB G. DAY, OF BROOKLYN, NEW YORK, ASSIGNOR TO JOHN L. KINGSLEY.

ROTATING DISKJBOL T, AND RIVET.

Specification of Letters Patent No. 6,578, dated July 3, 1849.

I To all whom it may concern Be it known that I, JACOB G. DAY, ofBrooklyn, in the county of Kings and State of New York, have invented anew and Improved Process and Machinery for Making Blank Screws andRivets; and I do hereby declare the following to be a full, clear, andexact'description of the same, reference being had to the annexeddrawings, making a part of this specification, in which Figure 1 is aperspective view of one side. Fig. 2 is a perspective view of theopposite side. Figs. 3, 4, 5, 6, 7, 8, 9, 10, are sections as describedin the specification.

The nature of my invention consists in the discovery of a speedy anduseful way or process for making rivets and blank screws, with machinerytherefor.

This machinery consists of a disk or circular plate having placed on itsside or face a set or series of dies, each of which dies is placedequi-distant from the axis of the disk and from each other, and areintended to be brought, one to the place of feeding, and another to theplace of heading, and one to the place of discharging, all at one andthe same time; while at an intermediate and alternate time, the disk mayrevolve, and by such revolution bring the next set of dies to therespective points for the before named operations to be performed, thedisk remaining at restfor the purpose of allowing such operations totake place, but cutting off the wire or rod that has been fed in, as thedisk and dies revolve, and holding and conveying it until the work iscomplete, that is, until the rivet is headed and discharged, and socontinuing their operations in succession so long as it shall bedesired.

I arrange a table ,(a) upon which I place a disk having its several dies(0) and its outer edge being in the form of a ratchet (d) and may becaused to revolve by the pawl (e) or any equivalent mechanism. This maybe understood more clearly by referring to Fig. 3 of the drawings, thisbeing a plan of these parts; although the same parts are known by thesame references in all the drawings. Above the table is the main shaft,from which is conveyed'motion to all parts of the machine. A doubleacting crank (f) by an intermediate connecting lever (g) acts upon thepawl (e) to cause the disk to revolve at the proper time, and to theproper distance; while a somewhat similar arrangement bears a likerelation through its connecting rod (72,) to the discharger worked by anintermediate lever (70). At the back of the pawl (e) is a spring (Z)which keeps the pawl up to its work at all times; there is, besides, astrong coiled spring as (m) Fig. 4 to keep thedisk in its place firmlyto the table, a planing tool as (a) is used to plane off and level thehead after the header or meshing tools have done their work; this toolmay be constructed with a projecting point or .lip to fit in a recess inthe face of the disk, and this lip will cut the nick in the head of thescrew. This planing tool is placed immediately in front of thedischarger. Behind the discharger is a stop or gage piece (1)) placed inan oblique position, which serves the double purpose of a gage for thelength of wire to be cut off, and as a clearer to throw off the workfrom the disk, after it has been discharged from the dies. I will hereadd that I have intended to use, if necessary, a lock-up for my disk;this would regulate the disk by stopping its motion at one precise placeat each stop, in case it should fall a trifle short or overreach thedesired point by the inaccurate action of the pawl. This lock-up may beapplied in many ways, but can be well applied by attaching a wide pieceto the end of the discharging lever and upon it placing two pins insteadof one; one'of these could have a long leveled or taper point to enterone of the dies, and thus .as it is pushed into the full size, willbring the disk to the exact place to receive the other (the dischargingpin) this discharging pin is for operating upon a headed rivet todischarge it.

Figs. 5 and 6 are enlarged views of the heading hammers or header, thefirst being an end view of the under side as placed, and the second aside View. This hammer has several hammer faces to act upon as manyrivets or blank screws, and gives by this means as many blows upon eachone as there are of these faces; that is,,one acts upon the head of therivet in one die at one blow, and the same one acts upon the next rivetafter one move of the disk and so on, while the one acted upon first isacted upon by the second hammer face and so on to the finish. Thishammer is known in the other figures of the drawings as (O) and isworked by a connection (p) to an eccentric or crank q) by which it israised and lowered in its operation, and presses or crushes down themetal and forms a head in the rough where a flat head is to be formed,while the round head is produced by a hollow or concave in the face ofthe hammers. When a blank screw is to be made the die will be like theone shown at Fig. 7, and whenit is planed off, will produce a head likeFig. 8.

The roundheaded rivet will be as seen at Fig. 10 produced by a hammerface as Fig. 9. I have used two three or more of these hammer faces asbefore stated for the more perfectly pressing and consolidating themetal, as it might not be perfectly solid by a single blow, particularlywhen the metal is used in a cold state as is generally the case forblank screws, while heated metal is most generally used for rivets. Ialso use one hammer having a chisel face which may be pressed into thehead and form a nick when it is desired to form nicks.

I provide a tube as through which the wire or rod may be fec to the diein the disk, and which does the further duty of one half of the shearsfor the cutting off the wire or rod, the die itself being the other halfof said shears. The rods or wire may be fed in by hand or by anyconvenient machinery in many ways, such apparatus being common tomachines for these purposes.

The operation of my machine will be better understood by saying that themachinery is set in motion by power applied at the pulley (s). Icommence feeding wire or rods through the tube into the dies while thedisk is at rest. Next, the disk of dies move around (always in the samedirection) and cut off the wire, which has been fed in until it meetsthe hereinbefore named gage (o). This revolving action brings a seconddie which is also fed in; and so on, until each die will be filled asintended; as the dies continue to fill and cutoff, they pass on, and oneafter the other meets the header and subsequently the discharger whenone after the other is discharged, all the other opera tions beingperformed in the progress, and between the feeding and discharging.

Having fully described my machine, its application and the contemplateduses and means of using the same for making blank screws and rivets, andheading and nicking screws.

What I claim as my invention, and desire to secure by Letters Patent,is- 1. The arranging a set of dies upon a disk, or anyequivalentthereto, equi-distant from the axis of the disk, and from eachother, so that by giving to the disk an intermittent progressiverevolving motion, a die may be brought to each of the several places forreceiving the several actions of feeding,

heading, and discharging simultaneously, (while the disk remains at itsrest, or lock up,) and also cuts off a rod at the time of its revolving,or progressive motion, when the disk, and dies, are combined with anyapparatus for heading and discharging rivets, &1C.

2. I claim the combination of a disk of dies having an intermittentprogressive revolving motion, with an apparatus for heading rivets,-andsuch like articles, whether the latter be constructed in the precisemanner described, or by any equivalent mechanism, that will produce alike result.

3. I claim the combination of a disk of dies having an intermittentrevolving motion, with an apparatus for knocking out or dischargingrivets from the dies.

4:. I claim'any common and well known feeding apparatus or anyequivalent thereto, combined with a heading and discharging apparatusand a disk of dies having an alternating or intermittent revolvingmotion for the purpose of conveying the dies from one position toanother as required, the machine herem described being applicable andcompetent to perform the several operations when fed with wire or rodsas set forth.

5. I claim the use of the several hammers to give several blows upon thesame rivet, and for nicking screws, as well as the planing process, ofnicking, as applied to a revolving disk of dies in combination with theheading, feeding, discharging, and other apparatus and operations of themachine, all

of which are hereinbefore described and set forth.

JACOB G. DAY.

Witnesses:

J. L. KINGsLEY, I. P. PIRssoN.

